Quadratic Formula and Complete the Square

When should you decide to Complete the Square?

• When the a value is larger than 1

• When the middle term is odd

• When a = 1 and the middle term is even

What method works 100% of the time? 

• Factoring

• Quadratic Formula

• Factoring

• Square Root Method

Decide on the best method:

x² + 2x = -9

• Isolation Method

• Factor Method

• Complete the Square

• Quadratic Formula

• Isolation Method

• Factoring

• Completing the Square

• Quadratic Formula

Kevin wants to solve the equation by completing the square. What values complete the equation?

• 8

• 64

• 16

• 4

• 256

Mathematical Equivalence

ON

• + 49

• - 49

• + 36

• - 36

• + 6

• - 6

• + 7

• - 7

Kevin wants to solve the equation by completing the square. What values complete the equation?

• 8

• 64

• 16

• 4

• 256

Solve for the POSITIVE SOLUTION ONLY of x by completing the square. ROUND to the nearest hundredth (2 decimal places).

Mathematical Equivalence

ON

Solve: x² - 2x = 3

(just give the POSITIVE answer)

Mathematical Equivalence

OFF